Subcutaneous prepatellar bursa

Anatomy Situated in front of the patella bone. Functions Acts as a cushion between bone and skin reducing friction between both. Clinical Prepatellar bursitis or ‘housemaid’s knee’ is a common injury to the bursa. The bursa becomes swollen due to repetitive work in a kneeling position. Interested in taking our award-winning Pocket Anatomy app for
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Acromioclavicular joint

Motion The acromioclavicular joint is classified as a multiaxial synovial plane joint but it is more helpful to think of it as a pivot point. As the name suggests it is the articulation of the acromion of the scapula with the clavicle. It allows you to raise your arms above your head i.e. scapular elevation
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Trapezius

Anatomy Origin: Superior nuchal line of the occipital bone, external occipital protuberance, ligamentum nuchae and spinous processes of C7 to T12. Insertion: Superior fibres: posterior border of the lateral third of the clavicle. Middle fibres: medial border of the acromion and the superior edge of the spine of the scapula. Inferior fibres: tubercle of the
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Hyoid

Anatomy Lingual bone, U-shaped, in front of neck, between larynx (behind) and mandible (in front), at level of C3; made up of body (transverse), greater horns/cornus (long, pointing back), lesser cornus/horns (short, pointing up); suspended from tips of styloid processes of mandible by ligaments (this syndesmotic connection being its only bony articulation); anchored by multiple
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Cricoid cartilage

Anatomy The most inferior part of the laryngeal cartilages and completely encircles the trachea. It is shaped like a signet ring with a broad lamina of cricoid cartilage posteriorly and a much slimmer arch of cartilage anteriorly completing the circle. The lamina has two depressions separated by a vertical ridge. There are two articular facets
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